109930985 has 4 divisors (see below), whose sum is σ = 131917188. Its totient is φ = 87944784.

The previous prime is 109930937. The next prime is 109930999. The reversal of 109930985 is 589039901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589039901 = 659 ⋅893839.

It can be written as a sum of positive squares in 2 ways, for example, as 68624656 + 41306329 = 8284^2 + 6427^2 .

It is a cyclic number.

It is not a de Polignac number, because 109930985 - 2⁸ = 109930729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10993094 + ... + 10993103.

It is an arithmetic number, because the mean of its divisors is an integer number (32979297).

Almost surely, 2^109930985 is an apocalyptic number.

It is an amenable number.

109930985 is a deficient number, since it is larger than the sum of its proper divisors (21986203).

109930985 is an equidigital number, since it uses as much as digits as its factorization.

109930985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21986202.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 109930985 is about 10484.7978044405. The cubic root of 109930985 is about 479.0417587297.

The spelling of 109930985 in words is "one hundred nine million, nine hundred thirty thousand, nine hundred eighty-five".